Finding the Fourth Proportional to 7,631,691.92, 11,446,014.88 and 3,739,477.08
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Solution
The fourth proportional to 7,631,691.92, 11,446,014.88 and 3,739,477.08 is: 5,608,469.36
Step by Step Solution
- Step 1: Write the proportion equation
7,631,691.92 : 11,446,014.88 = 3,739,477.08 : x - Step 2: Convert to fraction form
7,631,691.92/11,446,014.88 = 3,739,477.08/x - Step 3: Cross multiply
7,631,691.92x = 11,446,014.88 × 3,739,477.08 - Step 4: Simplify right side
7,631,691.92x = 42,802,110,327,661.30 - Step 5: Solve for x
x = 42,802,110,327,661.30/7,631,691.92 - Step 6: Final answer
x = 5,608,469.36
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.